import { Component, OnInit } from '@angular/core';
import { Hero } from './hero'
import { HeroService } from './hero.service'
import { Router } from '@angular/router'
@Component({
  selector: 'my-heroes',
  templateUrl: './heroes.component.html',
  styleUrls: ['./heroes.component.css']
})
export class HeroesComponent implements OnInit {
  title = 'Tour of Heroes';
  heroes: Hero[];
  selectedHero: Hero;
  constructor(
    private heroService: HeroService,
    private router: Router
  ) {
  }
  getHeroes(): void {
    this.heroService.getHeroes().then(x => {
      console.log(x)
      this.heroes = x
    })
  }
  onSelect(hero: Hero): void {
    this.selectedHero = hero;
  }
  ngOnInit(): void {
    this.getHeroes()
  }
  gotoDetail(): void {
    this.router.navigate(['/detail', this.selectedHero.id])
  }

  add(name: string): void {
    name = name.trim()
    if (!name) { return; }

    this.heroService.create(name)
      .then(hero => {
        this.heroes.push(hero)
        this.selectedHero = null
      })
  }

  delete(hero: Hero) {
    this.heroService
      .delete(hero.id)
      .then(() => {
        this.heroes = this.heroes.filter(h => h !== hero);
        if (this.selectedHero === hero) {
          this.selectedHero = null
        }
      })
  }
}